1. Login to your router settings page
2. Under Advanced tab, click on 'Bandwidth Profiles'
3. Turn Bandwidth Profiles on and click Save
4. Click on Add New and add a Bandwidth Profile. Give some name to it. Enter the percentage of bandwidth you want to give.
5. Then go to Traffic Selectors and click Add New.
6. Enter the profile name which you gave above and enter the IP of the device (you can even enter the MAC address by selecting that option).
@Sushubh Please move this thread under JioFiber. Thanks.